Add release notes & release v 0.2.0

Problem:

This repository contains both the administrate gem
and the demo application.
The demo application uses the image field,
which means that its Gemfile will be dependent on the new
administrate-field-image gem.

In turn, the administrate-field-image gem
is dependent on the administrate gem in this repository.
This creates a little bit of a chicken-and-egg problem
for publishing both of those gems.

Solution:

Our release plan is as follows:

- Release this branch as a new version of the administrate gem,
  as version `0.2.0.rc1`
- Make administrate-field-image dependent on
  `"administrate", "0.2.0.rc1", "~> 0.2.0"`
- Release administrate-field-image v `0.0.1`
- Make the demo app's Gemfile dependent on
  `"administrate-field-image", "~> 0.0"`
- Re-push this branch to Github to run CircleCI suite. All of the gems
  would be available on rubygems.org, so the suite should pass.
- Update and release this branch as version `0.2.0`
- Merge branch

CHANGELOG.md

@@ -18,6 +18,8 @@
 
 ### Upcoming Release
 
+### 0.2.0 (April 20, 2016)
+
 * [#476] [CHANGE] Extract `Administrate::Field::Image` into its own gem.
   Users who have image fields in their dashboards
   should add to their `Gemfile`:

Gemfile

@@ -4,7 +4,7 @@ ruby "2.2.3"
 
 gemspec
 
-gem "administrate-field-image", path: "../administrate-field-image"
+gem "administrate-field-image"
 gem "delayed_job_active_record"
 gem "high_voltage"
 gem "markdown-rails"

Gemfile.lock

@@ -1,14 +1,7 @@
-PATH
-  remote: ../administrate-field-image
-  specs:
-    administrate-field-image (0.0.1)
-      administrate (~> 0.1.3)
-      rails (~> 4.2)
-
 PATH
   remote: .
   specs:
-    administrate (0.1.5)
+    administrate (0.2.0)
       autoprefixer-rails (~> 6.0)
       datetime_picker_rails (~> 0.0.7)
       jquery-rails (~> 4.0)
@@ -59,6 +52,9 @@ GEM
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     addressable (2.3.8)
+    administrate-field-image (0.0.2)
+      administrate (>= 0.2.0.rc1, < 0.3.0)
+      rails (~> 4.2)
     ammeter (1.1.3)
       activesupport (>= 3.0)
       railties (>= 3.0)
@@ -159,7 +155,7 @@ GEM
     mime-types (2.99.1)
     mini_portile2 (2.0.0)
     minitest (5.8.4)
-    momentjs-rails (2.11.0)
+    momentjs-rails (2.11.1)
       railties (>= 3.1)
     multi_json (1.11.2)
     neat (1.7.4)
@@ -287,7 +283,7 @@ PLATFORMS
 
 DEPENDENCIES
   administrate!
-  administrate-field-image!
+  administrate-field-image
   ammeter
   appraisal
   awesome_print

README.md

@@ -46,7 +46,7 @@ Add Administrate to your Gemfile:
 
 ```ruby
 # Gemfile
-gem "administrate", "~> 0.1.5"
+gem "administrate", "~> 0.2.0"
 ```
 
 Re-bundle, then run the installer:

gemfiles/bourbon_5.gemfile

@@ -4,6 +4,7 @@ source "https://rubygems.org"
 
 ruby "2.2.3"
 
+gem "administrate-field-image"
 gem "delayed_job_active_record"
 gem "high_voltage"
 gem "markdown-rails"

gemfiles/sass_3_4.gemfile

@@ -4,6 +4,7 @@ source "https://rubygems.org"
 
 ruby "2.2.3"
 
+gem "administrate-field-image"
 gem "delayed_job_active_record"
 gem "high_voltage"
 gem "markdown-rails"

lib/administrate/version.rb

@@ -1,3 +1,3 @@
 module Administrate
-  VERSION = "0.1.5".freeze
+  VERSION = "0.2.0".freeze
 end